<!DOCTYPE html>
<html lang="cn">

<head>
    <meta charset="UTF-8">
    <title>TodoList</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <!-- 引入样式 -->
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<!-- 引入组件库 -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<style>
    .el-header {
    background-color: #B3C0D1;
    color: #333;
    line-height: 60px;
  }
  
  .el-aside {
    color: #333;
  }
</style>
</head>

<body>


    <div id="app">
        <el-container style="height: 100%; border: 1px solid #eee">
          <el-aside width="200px" style="background-color: rgb(238, 241, 246)">
            <el-menu :default-openeds="['1', '3']">
              <el-submenu index="1">
                <template slot="title"><i class="el-icon-message"></i>导航一</template>
                <el-menu-item-group>
                  <template slot="title">分组一</template>
                  <el-menu-item index="1-1">选项1</el-menu-item>
                  <el-menu-item index="1-2">选项2</el-menu-item>
                </el-menu-item-group>
                <el-menu-item-group title="分组2">
                  <el-menu-item index="1-3">选项3</el-menu-item>
                </el-menu-item-group>
                <el-submenu index="1-4">
                  <template slot="title">选项4</template>
                  <el-menu-item index="1-4-1">选项4-1</el-menu-item>
                </el-submenu>
              </el-submenu>
              <el-submenu index="2">
                <template slot="title"><i class="el-icon-menu"></i>导航二</template>
                <el-menu-item-group>
                  <template slot="title">分组一</template>
                  <el-menu-item index="2-1">选项1</el-menu-item>
                  <el-menu-item index="2-2">选项2</el-menu-item>
                </el-menu-item-group>
                <el-menu-item-group title="分组2">
                  <el-menu-item index="2-3">选项3</el-menu-item>
                </el-menu-item-group>
                <el-submenu index="2-4">
                  <template slot="title">选项4</template>
                  <el-menu-item index="2-4-1">选项4-1</el-menu-item>
                </el-submenu>
              </el-submenu>
              <el-submenu index="3">
                <template slot="title"><i class="el-icon-setting"></i>导航三</template>
                <el-menu-item-group>
                  <template slot="title">分组一</template>
                  <el-menu-item index="3-1">选项1</el-menu-item>
                  <el-menu-item index="3-2">选项2</el-menu-item>
                </el-menu-item-group>
                <el-menu-item-group title="分组2">
                  <el-menu-item index="3-3">选项3</el-menu-item>
                </el-menu-item-group>
                <el-submenu index="3-4">
                  <template slot="title">选项4</template>
                  <el-menu-item index="3-4-1">选项4-1</el-menu-item>
                </el-submenu>
              </el-submenu>
            </el-menu>
          </el-aside>
          
          <el-container>
            <el-header style="text-align: right; font-size: 12px">
              <el-dropdown>
                <i class="el-icon-setting" style="margin-right: 15px"></i>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item>查看</el-dropdown-item>
                  <el-dropdown-item>新增</el-dropdown-item>
                  <el-dropdown-item>删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
              <span>王小虎</span>
            </el-header>
            
            <el-main>
               
                  <div class="block">
                    <span class="demonstration">hover 触发子菜单</span>
                    <el-cascader
                      v-model="value"
                      :options="options"
                      :props="{ expandTrigger: 'hover' }"
                      @change="handleChange"></el-cascader>
                  </div>
              <el-table :data="tableData">
                <el-table-column prop="date" label="日期" width="140">
                </el-table-column>
                <el-table-column prop="name" label="姓名" width="120">
                </el-table-column>
                <el-table-column prop="address" label="地址">
                </el-table-column>
              </el-table>
            </el-main>
          </el-container>
        </el-container>
        </div>
   
      
      <script>
        var Main = {
    data() {
        const item = {
        date: '2016-05-02',
        name: '王小虎',
        address: '上海市普陀区金沙江路 1518 弄'
      };
     
      return {
        tableData: Array(20).fill(item),
        value: [],
        options: [{
          value: 'zhinan',
          label: '指南',
          children: [{
            value: 'shejiyuanze',
            label: '设计原则',
            children: [{
              value: 'yizhi',
              label: '一致'
            }, {
              value: 'fankui',
              label: '反馈'
            }, {
              value: 'xiaolv',
              label: '效率'
            }, {
              value: 'kekong',
              label: '可控'
            }]
          }, {
            value: 'daohang',
            label: '导航',
            children: [{
              value: 'cexiangdaohang',
              label: '侧向导航'
            }, {
              value: 'dingbudaohang',
              label: '顶部导航'
            }]
          }]
        }, {
          value: 'zujian',
          label: '组件',
          children: [{
            value: 'basic',
            label: 'Basic',
            children: [{
              value: 'layout',
              label: 'Layout 布局'
            }, {
              value: 'color',
              label: 'Color 色彩'
            }, {
              value: 'typography',
              label: 'Typography 字体'
            }, {
              value: 'icon',
              label: 'Icon 图标'
            }, {
              value: 'button',
              label: 'Button 按钮'
            }]
          }, {
            value: 'form',
            label: 'Form',
            children: [{
              value: 'radio',
              label: 'Radio 单选框'
            }, {
              value: 'checkbox',
              label: 'Checkbox 多选框'
            }, {
              value: 'input',
              label: 'Input 输入框'
            }, {
              value: 'input-number',
              label: 'InputNumber 计数器'
            }, {
              value: 'select',
              label: 'Select 选择器'
            }, {
              value: 'cascader',
              label: 'Cascader 级联选择器'
            }, {
              value: 'switch',
              label: 'Switch 开关'
            }, {
              value: 'slider',
              label: 'Slider 滑块'
            }, {
              value: 'time-picker',
              label: 'TimePicker 时间选择器'
            }, {
              value: 'date-picker',
              label: 'DatePicker 日期选择器'
            }, {
              value: 'datetime-picker',
              label: 'DateTimePicker 日期时间选择器'
            }, {
              value: 'upload',
              label: 'Upload 上传'
            }, {
              value: 'rate',
              label: 'Rate 评分'
            }, {
              value: 'form',
              label: 'Form 表单'
            }]
          }, {
            value: 'data',
            label: 'Data',
            children: [{
              value: 'table',
              label: 'Table 表格'
            }, {
              value: 'tag',
              label: 'Tag 标签'
            }, {
              value: 'progress',
              label: 'Progress 进度条'
            }, {
              value: 'tree',
              label: 'Tree 树形控件'
            }, {
              value: 'pagination',
              label: 'Pagination 分页'
            }, {
              value: 'badge',
              label: 'Badge 标记'
            }]
          }, {
            value: 'notice',
            label: 'Notice',
            children: [{
              value: 'alert',
              label: 'Alert 警告'
            }, {
              value: 'loading',
              label: 'Loading 加载'
            }, {
              value: 'message',
              label: 'Message 消息提示'
            }, {
              value: 'message-box',
              label: 'MessageBox 弹框'
            }, {
              value: 'notification',
              label: 'Notification 通知'
            }]
          }, {
            value: 'navigation',
            label: 'Navigation',
            children: [{
              value: 'menu',
              label: 'NavMenu 导航菜单'
            }, {
              value: 'tabs',
              label: 'Tabs 标签页'
            }, {
              value: 'breadcrumb',
              label: 'Breadcrumb 面包屑'
            }, {
              value: 'dropdown',
              label: 'Dropdown 下拉菜单'
            }, {
              value: 'steps',
              label: 'Steps 步骤条'
            }]
          }, {
            value: 'others',
            label: 'Others',
            children: [{
              value: 'dialog',
              label: 'Dialog 对话框'
            }, {
              value: 'tooltip',
              label: 'Tooltip 文字提示'
            }, {
              value: 'popover',
              label: 'Popover 弹出框'
            }, {
              value: 'card',
              label: 'Card 卡片'
            }, {
              value: 'carousel',
              label: 'Carousel 走马灯'
            }, {
              value: 'collapse',
              label: 'Collapse 折叠面板'
            }]
          }]
        }, {
          value: 'ziyuan',
          label: '资源',
          children: [{
            value: 'axure',
            label: 'Axure Components'
          }, {
            value: 'sketch',
            label: 'Sketch Templates'
          }, {
            value: 'jiaohu',
            label: '组件交互文档'
          }]
        }]
      };
    },
    methods: {
      handleChange(value) {
        console.log(value);
      }
    }
  };
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')



      </script>

    
</body>

</html>